feat:新增计量单位管理模块，包括实体、请求和响应对象，服务接口及实现，控制器，依赖配置等

zt-module-unit-management/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>dsc-base</artifactId>
+        <groupId>com.zt.plat</groupId>
+        <version>${revision}</version>
+    </parent>
+    <modules>
+        <module>zt-module-unit-management-api</module>
+        <module>zt-module-unit-management-server</module>
+    </modules>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>zt-module-unit-management</artifactId>
+    <packaging>pom</packaging>
+
+    <name>${project.artifactId}</name>
+    <description>
+        计量单位 模块。
+    </description>
+
+</project>

zt-module-unit-management/zt-module-unit-management-api/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>zt-module-unit-management</artifactId>
+        <groupId>com.zt.plat</groupId>
+        <version>${revision}</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>zt-module-unit-management-api</artifactId>
+    <packaging>jar</packaging>
+
+    <name>${project.artifactId}</name>
+    <description>
+        暴露给其它模块调用
+    </description>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.zt.plat</groupId>
+            <artifactId>zt-common</artifactId>
+        </dependency>
+        <!-- Web 相关 -->
+        <dependency>
+            <groupId>org.springdoc</groupId> <!-- 接口文档：使用最新版本的 Swagger 模型 -->
+            <artifactId>springdoc-openapi-starter-webmvc-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+
+        <!-- 参数校验 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <!-- RPC 远程调用相关 -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-openfeign</artifactId>
+            <optional>true</optional>
+        </dependency>
+    </dependencies>
+
+</project>

zt-module-unit-management/zt-module-unit-management-api/src/main/java/com/zt/plat/module/unitmanagement/enums/UnitErrorCodeConstants.java

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+package com.zt.plat.module.unitmanagement.enums;
+
+import com.zt.plat.framework.common.exception.ErrorCode;
+
+/**
+ * unit-management 模块的错误码常量
+ */
+public interface UnitErrorCodeConstants {
+
+    ErrorCode QUANTITY_UNIT_RELATION_NOT_EXISTS =
+            new ErrorCode(1_010_000_001, "计量单位量与单位关联不存在");
+
+    ErrorCode UNIT_CONVERSION_NOT_EXISTS =
+            new ErrorCode(1_010_000_002, "单位转换记录不存在");
+
+    ErrorCode UNIT_QUANTITY_NOT_EXISTS =
+            new ErrorCode(1_010_000_003, "单位数量记录不存在");
+
+    ErrorCode UNT_INFO_NOT_EXISTS =
+            new ErrorCode(1_010_000_004, "单位信息记录不存在");
+
+}

zt-module-unit-management/zt-module-unit-management-server/src/main/java/com/zt/plat/module/unitmanagement/controller/admin/QuantityUnitRelation/vo/QuantityUnitRelationBatchSaveReqVO.java

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+package com.zt.plat.module.unitmanagement.controller.admin.QuantityUnitRelation.vo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.*;
+import java.util.*;
+import jakarta.validation.constraints.*;
+
+@Schema(description = "管理后台 - 计量单位量与单位关联批量保存 Request VO")
+@Data
+public class QuantityUnitRelationBatchSaveReqVO {
+
+    @Schema(description = "计量单位量ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "11015")
+    @NotNull(message = "计量单位量ID不能为空")
+    private Long untQtyId;
+
+    @Schema(description = "单位关联列表", requiredMode = Schema.RequiredMode.REQUIRED)
+    @NotNull(message = "单位关联列表不能为空")
+    private List<UnitRelationItemVO> unitRelations;
+
+    @Schema(description = "单位关联项")
+    @Data
+    public static class UnitRelationItemVO {
+
+        @Schema(description = "主键ID(新增时为空,更新时必填)", example = "11015")
+        private Long id;
+
+        @Schema(description = "计量单位ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "30976")
+        @NotNull(message = "计量单位ID不能为空")
+        private Long untId;
+
+        @Schema(description = "是否基准单位-标识该维度基准单位")
+        private Integer isBse;
+    }
+
+}

zt-module-unit-management/zt-module-unit-management-server/src/main/java/com/zt/plat/module/unitmanagement/controller/admin/QuantityUnitRelation/vo/QuantityUnitRelationPageReqVO.java

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+package com.zt.plat.module.unitmanagement.controller.admin.QuantityUnitRelation.vo;
+
+import lombok.*;
+import java.util.*;
+import io.swagger.v3.oas.annotations.media.Schema;
+import com.zt.plat.framework.common.pojo.PageParam;
+import org.springframework.format.annotation.DateTimeFormat;
+import java.time.LocalDateTime;
+
+import static com.zt.plat.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
+
+@Schema(description = "管理后台 - 计量单位量与单位关联分页 Request VO")
+@Data
+public class QuantityUnitRelationPageReqVO extends PageParam {
+
+    @Schema(description = "所属量纲")
+    private Long untQtyId;
+
+    @Schema(description = "是否基准单位-标识该维度基准单位")
+    private Integer isBse;
+
+}

zt-module-unit-management/zt-module-unit-management-server/src/main/java/com/zt/plat/module/unitmanagement/controller/admin/QuantityUnitRelation/vo/QuantityUnitRelationRespVO.java

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+package com.zt.plat.module.unitmanagement.controller.admin.QuantityUnitRelation.vo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.*;
+import java.util.*;
+import org.springframework.format.annotation.DateTimeFormat;
+import java.time.LocalDateTime;
+import com.alibaba.excel.annotation.*;
+
+@Schema(description = "管理后台 - 计量单位量与单位关联 Response VO")
+@Data
+@ExcelIgnoreUnannotated
+public class QuantityUnitRelationRespVO {
+    @Schema(description = "ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "11015")
+    @ExcelProperty("ID")
+    private Long id;
+
+    @Schema(description = "计量单位量ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "11015")
+    @ExcelProperty("计量单位量ID")
+    private Long untQtyId;
+
+    @Schema(description = "计量单位ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "30976")
+    @ExcelProperty("计量单位ID")
+    private Long untId;
+
+    @Schema(description = "创建时间", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("创建时间")
+    private LocalDateTime createTime;
+
+    @Schema(description = "是否基准单位-标识该维度基准单位")
+    @ExcelProperty("是否基准单位-标识该维度基准单位")
+    private Integer isBse;
+
+}

zt-module-unit-management/zt-module-unit-management-server/src/main/java/com/zt/plat/module/unitmanagement/controller/admin/QuantityUnitRelation/vo/QuantityUnitRelationSaveReqVO.java

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+package com.zt.plat.module.unitmanagement.controller.admin.QuantityUnitRelation.vo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.*;
+import java.util.*;
+import jakarta.validation.constraints.*;
+
+@Schema(description = "管理后台 - 计量单位量与单位关联新增/修改 Request VO")
+@Data
+public class QuantityUnitRelationSaveReqVO {
+
+    @Schema(description = "主键ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "11015")
+    private Long id;
+
+    @Schema(description = "计量单位量ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "11015")
+    private Long untQtyId;
+
+    @Schema(description = "计量单位ID", requiredMode = Schema.RequiredMode.REQUIRED, example = "30976")
+    private Long untId;
+
+    @Schema(description = "是否基准单位-标识该维度基准单位")
+    private Integer isBse;
+
+}